div {
    display: inline-block;
    font-family: "Avenir";
}

.split {
    position: absolute;
    bottom:-10px;
    left:0%;
    font-size: 48px;
    color: #f60;
}

.num-box {
    display: inline-block;
    &-item {
        position: relative;
        display: inline-block;
        width: 54px;
        height: 82px;
        margin: 0 8px;
        text-align: center;
        color: #f60;
        writing-mode: vertical-lr; //核心代码让数字竖着着展示
        text-orientation: upright; //让数字回正方向
        overflow: hidden;
        background: url("./../img/num-bg.png") no-repeat center center;
        background-size: 100% 100%;
        i {
            position: absolute;
            top: 10px;
            left: 50%;
            font-weight: bold;
            font-style: normal;
            transform: translate3d(-50%, 0%, 0);
            letter-spacing: 10px;
            transition: transform 0.5s ease-in-out;
            font-size: 48px;
        }
        &.small {
            margin:0 4px;
            height: 40px;
            width: 32px;
            i {
                top: 5px;
                font-size: 24px;
            }
        }
        &.middle {
            margin:0 6px;
            height: 64px;
            width: 42px;
            i {
                top: 10px;
                font-size: 36px;
            }
        }
    }
}

.mark-item {
    position: relative;
    height: 82px;
    text-align: center;
    width:10px;
    &.small {
        height: 40px;
        width:10px;
        .split{
            bottom:-5px;
            font-size: 24px;
        }
    }
    &.middle{
        height: 64px;
    }
}
